<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>JS练习</title>
</head>
<body>
    <script>
        //数据类型
        // let name = "zhangsan";
        // let age = 15;
        // // alert("js演示");
        // name = true;
        // console.log(typeof name);

        // let aa;
        // console.log(aa);

        //运算符
        // let num = 15/2;
        // console.log(num);
        
        let num1 = 10;
        let num2 = "10";
        console.log(num1==num2);
        console.log(num1===num2);
        

    </script>
</body>
</html>